21668808

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{128981}}^1$

素因数の和:128997

約数の個数: 32

約数和(自身を含む): 61911360

約数和(自身を除く): 40242552

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 128981, 257962, 386943, 515924, 773886, 902867, 1031848, 1547772, 1805734, 2708601, 3095544, 3611468, 5417202, 7222936, 10834404, 21668808]

約数ペア:

[(1, 21668808), (2, 10834404), (3, 7222936), (4, 5417202), (6, 3611468), (7, 3095544), (8, 2708601), (12, 1805734), (14, 1547772), (21, 1031848), (24, 902867), (28, 773886), (42, 515924), (56, 386943), (84, 257962), (168, 128981)]